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Companies building AI

Profiles of the teams behind AI applications, infrastructure, models and developer tools, with the products they make and where those products rank.

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3,451–3,500 of 4,902

  • Racon

    Standalone consensus module for raw de novo genome assembly of long uncorrected reads, developed by lbcb-sci and hosted on GitHub.

    Models & AI Infrastructure

  • Rad AI

    AI radiology software solutions to streamline workflows, save time, and improve patient care. Uses proprietary generative AI models trained for radiology and healthcare.

    Healthcare & Life Sciences

  • Radley AI, Inc.

    Radley is an AI-native radiology practice that combines board-certified radiologists with artificial intelligence to provide signed radiology reports for hospitals and imaging centers.

    Healthcare & Life Sciences

  • RaiDrive

    Mounts cloud storage and remote services as local drives on Windows and Linux.

    Productivity & Collaboration

  • Railway Corp.

    Railway is a full-stack cloud platform for deploying web applications, servers, and databases with automatic scaling, monitoring, and security.

    Software Development

  • RainFocus

    Provider of a next-generation, insight-driven event marketing and management platform supporting in-person, hybrid, and virtual events.

    Marketing & Commerce

  • RainPOS

    Cloud-based POS and inventory platform for specialty retailers, offering integrated point-of-sale, e-commerce, inventory management, and marketing tools.

    Marketing & Commerce

  • Raindrop

    Hosted AI agent monitoring and observability platform for tracing agent runs, detecting silent failures, triaging issues, and validating fixes.

    Models & AI Infrastructure

  • Raindrop.io

    All-in-one bookmark manager for organizing, tagging, and sharing web content.

    Productivity & Collaboration

  • Rainforest QA

    No-code, AI-powered QA testing platform for teams that need to ship fast. Combines AI test creation, self-healing tests, and human-readable results for automated end-to-end software testing.

    Software Development

  • Raintree Systems

    AI-powered EMR and practice management platform built specifically for physical therapy and rehabilitation organizations.

    Healthcare & Life Sciences

  • Raise

    Raise is an online marketplace and rewards platform that enables users to buy digital gift cards from over 1,200 brands and earn cashback rewards, known as Raise Cash, on everyday purchases.

    Marketing & Commerce

  • Raisely

    Fundraising platform for charities and nonprofits to take donations, run events, sell tickets, and engage donors.

    Marketing & Commerce

  • Rally

    AI-powered tax planning and filing platform that helps you discover tax savings in seconds.

    Finance & Business Operations

  • Rally

    Europe's modern fleet card and agentic fleet management platform for fuel, EV charging, and all fleet expenses.

    Industrial, Robotics & Mobility

  • Ralo

    Ralo provides mortgage education, pricing comparisons, and mortgage-related services where authorized. It is a modern mortgage broker built on automation that files with multiple lenders, reads every quote for hidden fees, and negotiates on behalf of borrowers, operating on a fraction of the standard commission. Licensed in California, Colorado, and Texas. NMLS #2751459.

    Financial Services & Insurance

  • RamAIn

    AI agents that automate any manual UI task across web portals, legacy systems, and desktop apps.

    Productivity & Collaboration

  • Random Labs

    Random Labs develops Slate, a generalist software agent for terminal-based agentic coding with massively parallel swarm orchestration.

    Software Development

  • RankAI

    AI website growth platform that reads a live site, ships on-brand pages that rank and convert, and keeps improving them after launch.

    Marketing & Commerce

  • RankScience

    SEO and AI search optimization agency helping startups achieve visibility across ChatGPT, Google AI Overviews, Gemini, Perplexity, Google AI Mode and Claude. Y Combinator W17.

    Marketing & Commerce

  • RapidAI

    Enterprise neurovascular and stroke AI for imaging analysis, triage, and care coordination.

    Healthcare & Life Sciences

  • RapidClaims

    An AI-powered revenue cycle management automation platform for medical coding, claims, and administrative workflows.

    Healthcare & Life Sciences

  • RapidSOS

    RapidSOS is a public safety AI company that operates the Safety Network, a platform connecting people, devices, and enterprise technology directly to emergency services and public safety agencies.

    Government & Public Safety

  • Rapidfolio

    AI operations platform for regulated industries. Automates financial workflows with deterministic execution, human review gates, and a complete audit trail.

    Legal, Risk & Compliance

  • Raptor Maps, Inc.

    Raptor Maps is a solar asset management software provider that automates in-field operations and maintenance (O&M) tasks through analytics, issue prioritization, and robotics.

    Energy, Climate & Agriculture

  • Rasa

    Rasa is a conversational AI platform company described as the developer platform for enterprise AI agents. Rasa Technologies Inc. (San Francisco), Rasa Technologies GmbH (Berlin), and Rasa Technologies Ltd. (Edinburgh) comprise the corporate entities.

    Software Development

  • Rascal Games

    Game development company building unapologetically multiplayer games, currently developing Project Wayward.

    Creative & Media

  • Rask AI

    AI video localization, dubbing, and translation platform for global businesses.

    Productivity & Collaboration

  • Rastro AI

    AI agents for catalog operations in manufacturing and distribution. Maps messy supplier data to taxonomies, enriches missing fields, validates quality, and delivers outputs in exact formats.

    Data & Analytics

  • Rational

    AI coworkers for accounting work your team should not have to chase.

    Finance & Business Operations

  • Raven

    Provides software that makes existing plant P&IDs interactive, connecting drawings to asset documents, history, and workflows for process plants.

    Industrial, Robotics & Mobility

  • Raven

    A phone built around AI agents to handle tasks and reduce time spent on screen.

    Customer Service

  • Ray Browser Ltd.

    Ray Browser Ltd. operates Ray, a personalized Chromium-based browser featuring an integrated AI agent, a daily Discover feed, and Ray Studio for no-code tool creation.

    Productivity & Collaboration

  • Raycaster

    Builds benchmark data, evaluation harnesses, and reference agents for consequential professional work across documents, spreadsheets, and tools, with Workspace products that run the same harness.

    Models & AI Infrastructure

  • Reacher

    AI TikTok Shop affiliate software for running TikTok Shop affiliate programs at scale — automating creator discovery, outreach, CRM, and affiliate campaigns in one platform.

    Sales

  • React

    Open-source JavaScript library for building web and native user interfaces from components.

    Software Development

  • ReactWise

    AI-powered software for chemical process development that uses Bayesian Optimization and Machine Learning to accelerate reaction optimization for pharmaceutical and biotech companies.

    Models & AI Infrastructure

  • Read AI

    AI meeting assistant provider delivering real-time transcription, smart summaries, and AI search across meetings, emails, messages, CRMs, and documents.

    Productivity & Collaboration

  • Readily

    AI-native compliance software company for healthcare, serving programs such as Medicare Advantage and Medicaid. Connects regulatory change to policies and operations to keep teams audit-ready.

    Legal, Risk & Compliance

  • RealFlow by Next Limit

    RealFlow is an industry-standard, out-of-the-box fluids & multiphysics simulation software, compatible with all major 3D platforms.

    Creative & Media

  • RealPact

    AI-native operating system for real estate brokerages. Voice-powered AI agents pull deed, property, and tax records, auto-fill contracts, and move transactions from hours to minutes.

    Legal, Risk & Compliance

  • RealPage

    RealPage unifies property management operations, leasing, resident experience, analytics, and AI workflows across multifamily portfolios.

    Real Estate & Construction

  • Reality Defender

    Deepfake detection platform for enterprises, platforms, and institutions to stop AI-generated deepfakes before they cause harm.

    Legal, Risk & Compliance

  • RealityScan

    Photogrammetry software (formerly RealityCapture) for creating detailed 3D models from images and laser scans across diverse industries including game development, film, geospatial, AEC, education, and e-commerce.

    Creative & Media

  • RealityServer

    Platform for integrating photorealistic 3D rendering into applications, based on web services methodology and NVIDIA Iray. Targets software developers for rendering automation and fully interactive rendering.

    Software Development

  • Reallusion Inc.

    Develops 3D character production and 2D cartoon animation software, including Character Creator, iClone, and Cartoon Animator.

    Creative & Media

  • Realtor.com

    Online real-estate listings and home-search marketplace.

    Real Estate & Construction

  • ReasonBlocks

    ReasonBlocks is a runtime layer for AI agents that reduces token costs and improves reliability by enabling agents to remember past solutions and detect failure modes mid-run.

    Software Development

  • Rebolt

    Rebolt is an AI-native enterprise operations platform that turns a company's data, processes, rules, and expert know-how into governed software and AI agents that execute core operations across existing systems.

    Finance & Business Operations

  • Rebookify

    A platform for travel agencies and management companies that monitors refundable hotel reservations and automates rebooking when prices drop to capture savings.

    Retail, Hospitality & Food